National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

25°F

-4°C

Humidity 88%
Wind Speed Calm
Barometer 30.02 in (1016.4 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 4 Dec 1:56 am EST
Extended Forecast for

Uncasville-Oxoboxo Valley CT

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 27. Wind chill values between 20 and 25. Light west wind.

    Low: 27 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 39. Wind chill values between 20 and 30. West wind 7 to 17 mph, with gusts as high as 28 mph.

    High: 39 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 12. Wind chill values between 5 and 10. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 29 mph.

    Low: 12 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 31. Wind chill values between 5 and 15. North wind around 6 mph becoming calm.

    High: 31 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A 30 percent chance of light snow, mainly after 1am. Mostly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Chance Light
    Snow

  • Saturday

    Saturday: A 30 percent chance of light rain before 10am. Mostly cloudy, with a high near 41.

    High: 41 °F

    Chance Light
    Rain then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 27. Wind chill values between 20 and 25. Light west wind.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 39. Wind chill values between 20 and 30. West wind 7 to 17 mph, with gusts as high as 28 mph.
Thursday Night
Mostly clear, with a low around 12. Wind chill values between 5 and 10. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 29 mph.
Friday
Increasing clouds, with a high near 31. Wind chill values between 5 and 15. North wind around 6 mph becoming calm.
Friday Night
A 30 percent chance of light snow, mainly after 1am. Mostly cloudy, with a low around 22. Calm wind.
Saturday
A 30 percent chance of light rain before 10am. Mostly cloudy, with a high near 41.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Partly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
Sunny, with a high near 29.
Monday Night
Mostly clear, with a low around 14.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 27.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Uncasville-Oxoboxo Valley CT
 41.44°N 72.12°W (Elev. 138 ft)
Last Update:
2:27 am EST Dec 4, 2025
Forecast Valid:
2am EST Dec 4, 2025-6pm EST Dec 10, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation